87090332 has 12 divisors (see below), whose sum is σ = 174180720. Its totient is φ = 37324416.

The previous prime is 87090329. The next prime is 87090347. The reversal of 87090332 is 23309078.

87090332 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555157 + ... + 1555212.

It is an arithmetic number, because the mean of its divisors is an integer number (14515060).

Almost surely, 2^87090332 is an apocalyptic number.

It is an amenable number.

87090332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87090332 is a wasteful number, since it uses less digits than its factorization.

87090332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110380 (or 3110378 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 87090332 is about 9332.2201002762. The cubic root of 87090332 is about 443.2580675111.

The spelling of 87090332 in words is "eighty-seven million, ninety thousand, three hundred thirty-two".